Multiple transmitter laser link
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United States of America Patent
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Jul 7, 1998
Grant Date -
N/A
app pub date -
Aug 29, 1996
filing date -
Sep 1, 1995
priority date (Note) -
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Abstract
A system and method for establishing a laser link communications system in free space includes first and second terminals which are distanced from each other on an optical path. Each terminal includes a plurality of laser transmitters which together generate a plurality of laser beams, with each of the laser beams carrying a communication signal. Further, each terminal directs its independently generated laser beams along substantially parallel paths. Though their paths are substantially parallel, the transmitted beams generally overlap in the far field, at the other terminal, where they are collected and incoherently summed for reception and analysis of the communication signal.
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